Abstract: An anti-bounce shower door is disclosed, including an upper rail and a sliding door. The sliding door is provided with a roller, and the roller is slidably connected with the upper rail. The upper rail is hollow, an upper side of the upper rail is provided with a sliding groove, the sliding groove extends along a length direction of the upper rail. The roller is provided with an anti-bounce hook, the anti-bounce hook extends into the sliding groove, and the anti-bounce hook abuts against at least a part of the sliding groove. The disclosure has the beneficial effects as follows. According to the disclosure, the sliding groove is arranged in the upper rail, and the anti-bounce hook is arranged on the roller, so that by extending the anti-bounce hook into the sliding groove to abut against a part of a top wall of the sliding groove, an anti-bounce effect can be achieved.

Abstract: A method for in-situ non-contact detection of a symmetry error of a keyway located on the shaft-type workpiece includes the following steps: establishing a detection system and a system calculation coordinate system; controlling rotation of a shaft-type workpiece, continuously acquiring data of a detection part by means of a laser displacement sensor, and calculating and analyzing the acquired data to obtain a symmetry error of a detection section; and moving the laser displacement sensor in an axis direction, and calculating symmetry errors of a plurality of sections of the keyway, to obtain a symmetry error of the keyway located on the shaft-type workpiece.

Abstract: The present invention discloses an in-place non-contact detection method for a shaft workpiece. The method includes: establishing a detection system, calibrating the detection system and establishing a detection coordinate system; analyzing a pose of a workpiece in the detection system to establish a coordinate system of a workpiece clamping device; controlling the workpiece clamping device of a shaft workpiece processing machine tool to rotate, continuously acquiring data by a linear laser measuring instrument, and calculating and analyzing the acquired data to obtain an ideal reference axis of the shaft workpiece; continuously acquiring data of a detection part, and calculating and analyzing the acquired data to obtain actual machining precision of runout of a shaft neck of a camshaft; and continuously acquiring data of the detection part, and calculating and analyzing the acquired data to obtain machining precision of coaxiality of the shaft workpiece.

Abstract: A model parameter test structure for a transistor includes: a substrate, having a first conductivity type, a plurality of isolation structures being provided in the substrate and the isolation structures being used to isolate different doped regions; a first test device, formed in the substrate and configured to obtain characteristic parameters of a source side of the transistor; and a second test device, formed in the substrate and configured to obtain characteristic parameters of a drain side of the transistor; wherein a structure of the first test device is different from a structure of the second test device.

Abstract: A dynamic compensation method for curved surface deformation in ship segmental construction includes fitting a curved surface and building a segmental deformation compensation model based on an acquired actual segmentation of a ship to obtain a theoretical height of a jig frame; establishing a correlation between jig frames based on a ship segmental deformation range and a compression load of the ship; and performing segmental deformation compensation according to an actual height and the theoretical height of the jig frame by adopting a preset adaptive regulation and control algorithm of jig frame height. According to the compensation method, a correlation between a reference jig frame and slave jig frames of each level is established.

Abstract: A light bulb apparatus includes a bulb shell, a light source module, a bulb head, a bottom pin and a driver module. The bulb shell has a light passing cover and a neck portion. The bulb head has a body portion and an Edison cap. A bottom pin is used for connecting a second electrode of the Edison socket. The driver module is enclosed by the bulb head. The driver module has a driver plate mounted with a driver component and a driver input terminal. The driver input terminal has a guiding groove. The driver input terminal has a first wiring clip, the bottom pin is inserted into the guiding groove via the entrance and engages the first wiring clip for electrically connected to the driver component.

Abstract: A light tube apparatus includes a light passing tube, a light strip, first cap end, a second cap end, a driver circuit board and a manual switch. The light passing tube are connected with the first cap end and the second cap end on opposite sides of the light passing tube. The manual switch is a fixed to the first cap end. The driver circuit board is at least partly enclosed by the first cap end. The manual switch has a switch sheath and a sliding switch. When a user moves the switch sheath, the sliding switch is moved by the switch sheath to change a position of the sliding switch for changing an operation parameter of the driver circuit.

Abstract: The LED tube lamp includes a lamp tube, an LED substrate, and a diffusion film. The LED substrate includes a plurality of LED chips disposed on the LED substrate, and a driving circuitry for receiving power to enable the plurality of LED chips. The diffusion film is disposed on a surface of the lamp tube. The diffusion film includes a first region and a second region adjacent to the first region. The first region and the second region of the diffusion film are arranged along a longitudinal axis of the lamp tube. The first region has a first transmittance rate and the second region has a second transmittance rate higher than the first transmission rate.

Abstract: A light bulb apparatus includes a bulb shell, a light source module, a bulb head, a bottom pin and a driver module. The bulb shell has a light passing cover and a neck portion. The bulb head has a body portion and an Edison cap. A bottom pin is used for connecting a second electrode of the Edison socket. The driver module is enclosed by the bulb head. The driver module has a driver plate mounted with a driver component and a driver input terminal. The driver input terminal has a guiding groove. The driver input terminal has a first wiring clip, the bottom pin is inserted into the guiding groove via the entrance and engages the first wiring clip for electrically connected to the driver component.

Abstract: A light tube apparatus includes a light passing tube, a light strip, first cap end, a second cap end, a driver circuit board and a manual switch. The light passing tube are connected with the first cap end and the second cap end on opposite sides of the light passing tube. The manual switch is a fixed to the first cap end. The driver circuit board is at least partly enclosed by the first cap end. The manual switch has a switch sheath and a sliding switch. When a user moves the switch sheath, the sliding switch is moved by the switch sheath to change a position of the sliding switch for changing an operation parameter of the driver circuit.

Abstract: A light bulb apparatus includes a bulb shell, a light source module, a bulb head, a bottom pin and a driver module. The bulb shell has a light passing cover and a neck portion. The bulb head has a body portion and an Edison cap. A bottom pin is used for connecting a second electrode of the Edison socket. The driver module is enclosed by the bulb head. The driver module has a driver plate mounted with a driver component and a driver input terminal. The driver input terminal has a guiding groove. The driver input terminal has a first wiring clip, the bottom pin is inserted into the guiding groove via the entrance and engages the first wiring clip for electrically connected to the driver component.

Abstract: A light bulb apparatus includes a bulb shell, a light source module, a bulb head, a bottom pin and a driver module. The bulb shell has a light passing cover and a neck portion. The bulb head has a body portion and an Edison cap. A bottom pin is used for connecting a second electrode of the Edison socket. The driver module is enclosed by the bulb head. The driver module has a driver plate mounted with a driver component and a driver input terminal. The driver input terminal has a guiding groove. The driver input terminal has a first wiring clip, the bottom pin is inserted into the guiding groove via the entrance and engages the first wiring clip for electrically connected to the driver component.

Abstract: The LED tube lamp includes a lamp tube, an LED substrate, and a diffusion film. The LED substrate includes a plurality of LED chips disposed on the LED substrate, and a driving circuitry for receiving power to enable the plurality of LED chips. The diffusion film is disposed on a surface of the lamp tube. The diffusion film includes a first region and a second region adjacent to the first region. The first region and the second region of the diffusion film are arranged along a longitudinal axis of the lamp tube. The first region has a first transmittance rate and the second region has a second transmittance rate higher than the first transmission rate.